Method and circuit arrangement for the detection of ground faults on electronic trips for low-voltage circuit breakers comprising serially connected measuring amplifiers

One problem during the detection of ground faults resides in the fact that the measuring amplifiers have a great amount of tolerance regarding the amplification factor thereof, resulting in a substantial error when errors are handled by means of software. According to the disclosure, the output sign...

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Bibliographische Detailangaben
1. Verfasser: PANCKE ANDREAS,REDMANN ILKA,ROEHL WOLFGANG
Format: Patent
Sprache:eng
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